OpenAPI to MCP tool - enabling AI assistants interact with APIs (OAS)

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We have just open-sourced a tool that bridges OpenAPI specs and AI assistants - no plugins or wrappers needed.

It’s called OpenAPI to MCP, and creates a dynamic MCP server that transforms OpenAPI specifications into MCP tools. It enables seamless integration of REST APIs with AI assistants via the Model Context Protocol, turning any API into an AI-accessible tool.

That means you can expose your APIs as tools to assistants like Claude, Cursor, or any LLM agent that speaks MCP.

:white_check_mark: Load specs from files or URLs
:white_check_mark: Apply overlays and filters
:white_check_mark: Supports custom headers, auth, and descriptions
:white_check_mark: CLI or JSON config – your choice

Check it out here: GitHub - TykTechnologies/api-to-mcp: Turn any API to MCP tool

Would love to get your feedback!